How to autoplay a YouTube video in a UIWebView

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Apparently the problem was with the nil base url, when I changed it to resourceURL the autoplay worked.

[self loadHTMLString:html baseURL:[[NSBundle mainBundle] resourceURL]];

The full code for autoplay youtube videos (again this code mostly based on this post I just changed it to load from a string instead of a file): 

static NSString *youTubeVideoHTML = @"<!DOCTYPE html><html><head><style>body{margin:0px 0px 0px 0px;}</style></head> <body> <div id=\"player\"></div> <script> var tag = document.createElement('script'); tag.src = \"http://www.youtube.com/player_api\"; var firstScriptTag = document.getElementsByTagName('script')[0]; firstScriptTag.parentNode.insertBefore(tag, firstScriptTag); var player; function onYouTubePlayerAPIReady() { player = new YT.Player('player', { width:'%0.0f', height:'%0.0f', videoId:'%@', events: { 'onReady': onPlayerReady, } }); } function onPlayerReady(event) { event.target.playVideo(); } </script> </body> </html>";  

- (void)playVideoWithId:(NSString *)videoId {
    NSString *html = [NSString stringWithFormat:youTubeVideoHTML, self.frame.size.width, self.frame.size.height, videoId];

    [self loadHTMLString:html baseURL:[[NSBundle mainBundle] resourceURL]];
}

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